[imp] Memory Usage
Fábio Gomes
flgomes at fazenda.sp.gov.br
Thu Jan 9 15:40:24 PST 2003
Ty Robert,
Only 18kb are been used for the process. And as you told me this is
not good. But most of the libraries was linked to apache and php4 as shared.
Please, what can you tell me about the pmap output. Thank you again:
***************************************************************************
00010000 696 664 664 - read/exec httpd
000CC000 32 32 16 16 read/write/exec httpd
000D4000 139344 118800 100456 18344 read/write/exec [ heap ]
FDC02000 8 8 8 - read/write/exec [ anon ]
FDD04000 8 8 8 - read/write/exec [ anon ]
FDE06000 8 8 8 - read/write/exec [ anon ]
FDF08000 8 8 8 - read/write/exec [ anon ]
FE00A000 8 8 8 - read/write/exec [ anon ]
FE10C000 8 8 8 - read/write/exec [ anon ]
FE20A000 8 8 8 - read/write/exec [ anon ]
FE20E000 8 8 8 - read/write/exec [ anon ]
FE30C000 8 8 - 8 read/write/exec [ anon ]
FE310000 8 8 8 - read/write/exec [ anon ]
FE40E000 8 8 - 8 read/write/exec [ anon ]
FE620000 8 8 - 8 read/write/exec [ anon ]
FE680000 1032 8 8 - read/write/shared [ anon ]
FEA50000 8 8 8 - read/shared dev:199,5
ino:52600
FEA60000 8 8 8 - read/shared dev:199,5
ino:134984
FEA70000 8 8 8 - read/write/exec/shared [ anon ]
FEA80000 16 16 16 - read/exec
en_US.ISO8859-1.so.2
FEA92000 16 16 16 - read/write/exec
en_US.ISO8859-1.so.2
FEAA0000 40 40 40 - read/shared dev:199,5
ino:104908
FEAB0000 24 24 24 - read/exec
pt_BR.ISO8859-1.so.2
FEAC4000 8 8 8 - read/write/exec
pt_BR.ISO8859-1.so.2
FEAD0000 24 24 24 - read/exec nss_files.so.1
FEAE6000 8 8 8 - read/write/exec nss_files.so.1
FEAF4000 8 8 8 - read/write/exec [ anon ]
FEB00000 416 392 392 - read/exec ZendOptimizer.so
FEB76000 24 24 24 - read/write/exec ZendOptimizer.so
FEB7C000 48 8 - 8 read/write/exec ZendOptimizer.so
FEB90000 16 16 16 - read/shared dev:199,5
ino:329550
FEBA0000 48 48 48 - read/write/shared [ anon ]
FEBB0000 24 24 24 - read/exec libgen.so.1
FEBC6000 8 8 8 - read/write/exec libgen.so.1
FEBD0000 88 88 88 - read/exec libm.so.1
FEBF4000 8 8 8 - read/write/exec libm.so.1
FEC00000 2256 2192 2192 - read/exec libphp4.so
FEE42000 152 152 144 8 read/write/exec libphp4.so
FEE68000 88 40 8 32 read/write/exec libphp4.so
FEE90000 208 184 184 - read/exec libresolv.so.2
FEED4000 16 16 16 - read/write/exec libresolv.so.2
FEED8000 8 8 8 - read/write/exec libresolv.so.2
FEEE0000 8 8 8 - read/exec libcrypt_i.so.1
FEEF2000 8 8 8 - read/write/exec libcrypt_i.so.1
FEF00000 984 968 968 - read/exec libssl.so
FF004000 72 72 48 24 read/write/exec libssl.so
FF016000 16 16 - 16 read/write/exec libssl.so
FF020000 8 8 8 - read/shared dev:199,5
ino:209762
FF030000 40 40 40 - read/exec liblber.so.2
FF048000 8 8 - 8 read/write/exec liblber.so.2
FF050000 136 128 128 - read/exec libldap.so.2
FF080000 16 16 16 - read/write/exec libldap.so.2
FF090000 8 8 - 8 read/write/exec [ anon ]
FF0A0000 24 16 16 - read/exec libltdl.so.3.1.0
FF0B4000 16 16 16 - read/write/exec libltdl.so.3.1.0
FF0C0000 16 16 16 - read/exec
libmcrypt.so.4.3.3
FF0D2000 16 16 16 - read/write/exec
libmcrypt.so.4.3.3
FF0E0000 24 24 24 - read/exec libpam.so.1
FF0F6000 8 8 8 - read/write/exec libpam.so.1
FF100000 8 8 8 - read/exec libintl.so.1
FF114000 8 8 8 - read/write/exec [ anon ]
FF120000 8 8 8 - read/write/exec/shared [ anon ]
FF130000 120 120 120 - read/exec libthread.so.1
FF15E000 8 8 - 8 read/write/exec libthread.so.1
FF160000 48 48 8 40 read/write/exec libthread.so.1
FF180000 688 688 688 - read/exec libc.so.1
FF23C000 32 32 8 24 read/write/exec libc.so.1
FF250000 8 8 - 8 read/write/exec [ anon ]
FF260000 16 16 16 - read/exec libmp.so.2
FF274000 8 8 8 - read/write/exec libmp.so.2
FF280000 568 568 568 - read/exec libnsl.so.1
FF31E000 40 40 24 16 read/write/exec libnsl.so.1
FF328000 24 16 8 8 read/write/exec libnsl.so.1
FF340000 8 8 8 - read/exec libc_psr.so.1
FF350000 24 24 24 - read/exec libpthread.so.1
FF366000 8 8 8 - read/write/exec libpthread.so.1
FF370000 40 40 40 - read/exec libsocket.so.1
FF38A000 8 8 - 8 read/write/exec libsocket.so.1
FF390000 8 8 8 - read/exec libdl.so.1
FF3A0000 8 8 - 8 read/write/exec [ anon ]
FF3B0000 152 152 152 - read/exec ld.so.1
FF3E6000 8 8 - 8 read/write/exec ld.so.1
FFBBC000 208 208 80 128 read/write/exec [ stack ]
-------- ------ ------ ------ ------
total Kb 148240 126400 107656 18744
***************************************************************************
robert sand wrote:
> It would be interesting to see how much of the memory used below is
> actually shared memory. Do a pmap -x pid on one of the httpd processes
> at the end of the report you will see a total in kbytes of memory
> usage. The second number is the total amount of memory used by that
> process and the 3rd is the amount of that total that is in shared
> libraries. If you are not using shared libraries the third number will
> be very low to nothing. This is bad. A recompile of the software to
> use shared libraries would be needed.
>
>
> Fábio Gomes wrote:
>
>> Hi all,
>>
>> I'm experiencing a high memory usage for my http process in my
>> webmail machine. It is a Solaris 8 system, running in a Sun v880.
>>
>> Related softwares:
>>
>> apache_1.3.27
>> libmcrypt-2.5.3
>> mm-1.2.1
>> mod_ssl-2.8.12-1.3.27
>> openssl-0.9.6h
>> php-4.2.3
>>
>>
>> top output:
>>
>> 11910 usermail 4 38 0 192M 157M run 23:31 1.64% httpd
>> 21865 usermail 4 10 0 189M 153M cpu2 44:11 2.85% httpd
>> 14099 usermail 4 58 0 182M 145M sleep 23:42 0.60% httpd
>> 12249 usermail 4 53 0 182M 145M sleep 25:12 0.45% httpd
>> 12241 usermail 4 58 0 182M 144M sleep 25:05 3.31% httpd
>> 21427 usermail 4 58 0 160M 128M sleep 40:50 1.29% httpd
>> 21423 usermail 4 51 0 149M 127M sleep 50:38 1.94% httpd
>> 25002 usermail 4 58 0 145M 122M sleep 38:45 1.27% httpd
>> 24057 usermail 4 58 0 145M 121M sleep 29:14 1.25% httpd
>> 14452 usermail 4 52 0 143M 120M sleep 25:06 0.39% httpd
>>
>> Can anyone give me some directions?
>>
>> Thank you all,
>> Fabio Gomes
>>
>
>
--
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values%_,"\n"
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